Function msgsnd
pub unsafe extern "C" fn msgsnd(msqid: c_int, msgp: *const c_void, msgsz: size_t, msgflg: c_int) -> c_intmsgsndpub unsafe extern "C" fn msgsnd(msqid: c_int, msgp: *const c_void, msgsz: size_t, msgflg: c_int) -> c_int